Dual-composite polymer electrolytes with enhanced transport properties

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Date

2007

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Journal of Power Sources

Abstract

New types of composite, solvent-free lithium ion conducting polymer electrolytes have been prepared by dispersing two complementary additives to a PEO?LiX (LiX = LiCF3SO3) matrix. The additives have been chosen in such a way that one of them (calix(6)pyrrole) enhances the lithium ion transference number while the other (super-acid zirconia) enhances the conductivity of the electrolyte. The results demonstrate that these dual-composite polymer electrolytes have a high conductivity with significantly high lithium transference number. This rare combination makes the new polymer electrolytes of interest for the development of advanced, solid-state, lithium polymer batteries.

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PEO-based composite electrolytes; Calixpyrrole; Super-acid zirconia; Conductivity; Lithium ion transference number; Lithium batteries

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